Re: [PATCH] vhost/scsi: fix up req type endian-ness

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On 2020/7/10 下午6:48, Michael S. Tsirkin wrote:
vhost/scsi doesn't handle type conversion correctly
for request type when using virtio 1.0 and up for BE,
or cross-endian platforms.

Fix it up using vhost_32_to_cpu.

Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
---
  drivers/vhost/scsi.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index 6fb4d7ecfa19..b22adf03f584 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -1215,7 +1215,7 @@ vhost_scsi_ctl_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq)
  			continue;
  		}
- switch (v_req.type) {
+		switch (vhost32_to_cpu(vq, v_req.type)) {
  		case VIRTIO_SCSI_T_TMF:
  			vc.req = &v_req.tmf;
  			vc.req_size = sizeof(struct virtio_scsi_ctrl_tmf_req);


Acked-by: Jason Wang <jasowang@xxxxxxxxxx>





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